John a



(No Model.)

J.'A. PEER.

POWDER GUN. No. 326,324. Patented Sept. 15, 1885.

UNITED STATES PATENT OFFICE.

JOH1\ A. PEER, OF BROOKLYN, NEW YORK, ASSIGNOR OF ONE-HALF TO THOMPSON 821 NORRIS, OF SAME PLACE.

POWDER-GUN.

SPECIFICATION forming part of Letters Patent No. 326,324, datedSeptember 15, 1885.

Applical ion filed April 6, 1885. (No model.)

To all whom it may concern.-

Be it known that I, JOHN A. PEER, of Brooklyn, Kings county, and State of New York, have invented a certain new and useful Improvement in Powder-Guns, of which the following is a specification.

My improvement relates to articles usually termed powder-guns, and which are used to inject insect-powder into places infested with vermin. v

I will describe in detail a powder-gun embodying my improvement, and then point out the novel features. in the claim.

In the accompanying drawings, Figure l is a longitudinal section of a powder-gun embodying my improvement. Fig. 2 is a crosssection on the liner x, and Fig. 3 is a crosssection on the line 3 y.

Similar letters of reference designate corresponding partsin all the figures.

A designates the powder-gun. It is composed of two sections,a b. It is advantageous to make the sections of wood; but the same may be made of metal or other suitable material, if desired. The section a has, as here shown, a cylindric body portion and a tapering or neck-like portion, 0. A passage or duct, 0, extends through the neck-like portion a. The section a is hollowed out upon the inside to form a receptacle for the insect-powder, and has a rabbet, (2, formed upon the interior surface thereof at the open end. The section bis hollow and has a shoulder, h. In this example of my improvement the shoulder is formed by adiaphragm, 6, provided externally with a rabbet,f, fitting the rabbet d in' the section a. An opening, 9, extends through the diaphragm and communicates with the interior of the section b.

B designates a cup-like piece of india-rubber. It may advantageously be made approximately in the form of a hollow cylinder.

The sections a b are in this example of my improvement held together by friction but they may besecured together by screwthreads, if desired. The sections are thereby readily separated and put together when desirable.

This indie-rubber piece is adapted to be inserted within the section b with its edge abutting against the shoulder h. By pressing the outer portion inward and allowing it to spring outward the india-rubber piece acts as a bellows to expel the insect-powder from the gun through the passage or duct 0 in the necklike portion 0. The diameter of the indiarubber is such that it will be held in the section b by friction; but it may be secured in any other suitable manner.

By my improvement it will be seen that I make a very cheap and serviceable powdergun,which may be readily opened for the purpose of filling with insect-powder and as readily closed.

What I claim as my invention, and desire to secure by Letters Patent, is

A powder gun, composed of two hollow wooden sections detachably secured together, one of said sections being provided with a circumferential shoulder, and a bellows within said last-mentioned section bearing at its inner edge against said shoulder, substantially as specified.

JOHN A. PEER.

Witnesses:

T. J. KEANE, E. T. ROCHE 

